This works for me:
http://username:password@148.149.0.87:10001/NEAREST_RTCM3-GG
Everything past the @ symbol I got from the Ntrip service providers website.
This works for me:
http://login:password@ipnumber:8080/rtn3g_vrs_rtcm32
“rtn3g_vrs_rtcm32” you must get this string from NTRP service provider